Signature stacker LS 100

Bookjet® system: Signature stacker LS 100

The WF 100 web folder for the KOLBUS Bookjet® system is the optimal solution for folding digital print products produced on an industrial scale.

KOLBUS Signature stacker LS 100

The Signature Stacker LS 100 produce stacks, consisting of folded signatures, which will be connected by pre-gluing
process to book blocks or book block stacks. Afterwards, the production of finished brochures or bock blocks can be done by the perfect binder.


  • Precise cycled reject unit of single sheets and/or defined sheet groups (e.g. content of a complete book block)
  • Reduction of cleaning efforts in case of jam at following processes by diversion of the entire product stream – thus, the web folder and the upstream printing machine does not need to stops or have waiting times
  • Incorrect book blocks or book block stacks will be recognize and rejected in the following process


  • Minimal application of cold glue by precise positioning of gluing near the joint in the area of head and tail cut
  • No additional material/ paper width needed in head and tail cutting area due to pre-gluing
  • Flexible stacking patterns selectable 
  • Reliable identification of book block start and end points

Technical data

Technical data

Web width  400 – 1,350 mm

block height (gross)  190 – 320 mm

block height (net)  178 – 308 mm

block width (gross) 108 – 254 mm

block width (net) 100 – 248 mm

Paper weights  28 – 130 g/m²

Output  Up to 60,000 folded signatures per hour

Your contacts

Your contacts

Sales Director
Henning Meier
Phone: +49 5771 71-427
Fax: +49 5771 71-333